Home / 87,253,931.28-120,415,812.36-48,095,619.72

Finding the Fourth Proportional to 87,253,931.28, 120,415,812.36 and 48,095,619.72

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Solution

The fourth proportional to 87,253,931.28, 120,415,812.36 and 48,095,619.72 is: 66,374,924.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,253,931.28 : 120,415,812.36 = 48,095,619.72 : x
  2. Step 2: Convert to fraction form
    87,253,931.28/120,415,812.36 = 48,095,619.72/x
  3. Step 3: Cross multiply
    87,253,931.28x = 120,415,812.36 × 48,095,619.72
  4. Step 4: Simplify right side
    87,253,931.28x = 5,791,473,119,541,436
  5. Step 5: Solve for x
    x = 5,791,473,119,541,436/87,253,931.28
  6. Step 6: Final answer
    x = 66,374,924.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.